CN101830163B - Power train for hybrid vehicle - Google Patents

Power train for hybrid vehicle Download PDF

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Publication number
CN101830163B
CN101830163B CN200910221929.6A CN200910221929A CN101830163B CN 101830163 B CN101830163 B CN 101830163B CN 200910221929 A CN200910221929 A CN 200910221929A CN 101830163 B CN101830163 B CN 101830163B
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CN
China
Prior art keywords
planet gear
compound planet
turning unit
dynamotor
clutch
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN200910221929.6A
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Chinese (zh)
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CN101830163A (en
Inventor
徐罡寿
沈烋台
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hyundai Motor Co
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Hyundai Motor Co
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Publication date
Application filed by Hyundai Motor Co filed Critical Hyundai Motor Co
Publication of CN101830163A publication Critical patent/CN101830163A/en
Application granted granted Critical
Publication of CN101830163B publication Critical patent/CN101830163B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
    • B60K6/44—Series-parallel type
    • B60K6/445—Differential gearing distribution type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/36—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings
    • B60K6/365—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings with the gears having orbital motion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
    • F16H3/72—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously
    • F16H3/727—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously with at least two dynamo electric machines for creating an electric power path inside the gearing, e.g. using generator and motor for a variable power torque path
    • F16H3/728—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously with at least two dynamo electric machines for creating an electric power path inside the gearing, e.g. using generator and motor for a variable power torque path with means to change ratio in the mechanical gearing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
    • F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
    • F16H37/06—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
    • F16H37/08—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing
    • F16H37/0833—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing with arrangements for dividing torque between two or more intermediate shafts, i.e. with two or more internal power paths
    • F16H37/084—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing with arrangements for dividing torque between two or more intermediate shafts, i.e. with two or more internal power paths at least one power path being a continuously variable transmission, i.e. CVT
    • F16H2037/088—Power split variators with summing differentials, with the input of the CVT connected or connectable to the input shaft
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
    • F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
    • F16H37/06—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
    • F16H37/08—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing
    • F16H37/10—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing at both ends of intermediate shafts
    • F16H2037/102—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing at both ends of intermediate shafts the input or output shaft of the transmission is connected or connectable to two or more differentials
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
    • F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
    • F16H37/06—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
    • F16H37/08—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing
    • F16H37/10—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing at both ends of intermediate shafts
    • F16H2037/105—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing at both ends of intermediate shafts characterised by number of modes or ranges, e.g. for compound gearing
    • F16H2037/106—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing at both ends of intermediate shafts characterised by number of modes or ranges, e.g. for compound gearing with switching means to provide two variator modes or ranges
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
    • F16H2200/0039—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising three forward speeds
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/20—Transmissions using gears with orbital motion
    • F16H2200/2002—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears
    • F16H2200/2007—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears with two sets of orbital gears
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/20—Transmissions using gears with orbital motion
    • F16H2200/203—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes
    • F16H2200/2035—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes with two engaging means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/62—Hybrid vehicles

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Structure Of Transmissions (AREA)
  • Hybrid Electric Vehicles (AREA)

Abstract

The present invention provides a power train for a hybrid vehicle, comprising: a first planetary gear set including rotary elements; a second planetary gear set including rotary elements at least one of which is connected with at least one of the rotary elements of the first planetary gear set; a first clutch that is configured to connect/disconnect one of the rotary elements of the first planetary gear set with/from one of the rotary elements of the second planetary gear set; and a second clutch that is configured to connect/disconnect the rotary elements of the first planetary gear set, wherein at least two or more independent power sources and output element are connected to some of the rotary elements of the first and second planetary gear sets. The power train for the hybrid vehicle allows for multiple-mode driving, which is combined with a way of driving at a fixed gear ratio such as the shift stages of a common transmission, and high-efficiency driving, thereby improving fuel efficiency of the vehicle.

Description

For the transmission system of hybrid electric vehicle
Technical field
The disclosure relates to a kind of transmission system for hybrid electric vehicle, relates in more detail the technology that in a kind of hybrid electric vehicle being equipped with two or more the different propulsions source including explosive motor, power is sent to drive wheel from propulsion source.
Background technology
Based on using when the low speed from the power driven vehicle of dynamotor with relatively good low-speed torque characteristic, and in the time of high speed, use from the technology of power driven vehicle of driving engine with relatively good high speed characteristics, use the hybrid electric vehicle of driving engine and dynamotor to improve the fuel efficiency of vehicle by realizing the function of idle stop (idle stop) and regenerative brake.
In addition, hybrid electric vehicle does not produce the waste gas from driving engine in the time only being driven by dynamotor, and this is considered to environmentally friendly vehicle technology, has advantages of the fuel efficiency of improvement and reduces waste gas.
Dynamic branch type device is known in the transmission system field for hybrid electric vehicle, and it is classified into monotype mode and multi-mode mode.Monotype mode does not need the operating unit (such as power-transfer clutch or drg) of controlling for shifting gears, but at the middle Efficiency Decreasing of running at high speed, makes fuel efficiency low and need to apply extra torque amplification to full size vehicle.
On the other hand, the efficiency during multi-mode mode can be designed to be able to guarantee to run at high speed and amplify alone moment of torsion according to configuration, makes it go for medium-sized and full size vehicle.
In this background technology part, disclosed information is only for strengthening the understanding to general background of the present invention, and should not be counted as this information has been formed to admitting of prior art well known by persons skilled in the art or any type of hint.
Summary of the invention
Various aspects of the present invention aim to provide a kind of transmission system for hybrid electric vehicle, it allows the multi-mode combining with the mode driving with fixed gear ratio (such as the speed change level (shift stage) of common change-speed box) to drive, and high efficiency drive, thereby improve the fuel efficiency of vehicle.
In one aspect of the invention, comprise for the transmission system of hybrid electric vehicle: first compound planet gear with turning unit; There is the second compound planet gear with at least one turning unit being connected in the turning unit of the first compound planet gear; Be arranged to the first clutch that makes the turning unit of the first compound planet gear be connected/separate with the turning unit of the second compound planet gear; And be arranged to that the turning unit of the first compound planet gear is connected/second clutch that separates, wherein at least two or more independently propulsion source and output block are connected to some turning units in the turning unit of the first and second compound planet gears.
In another aspect of this invention, comprise for the transmission system of hybrid electric vehicle: comprise the first compound planet gear of three turning units, two in three turning units are connected with the first dynamotor with driving engine respectively; Comprise the second compound planet gear of three turning units, two in three turning units are connected with the first compound planet gear with the second dynamotor respectively; Be connected to the output block of the second compound planet gear; Be arranged to make the turning unit that is not connected to driving engine and the first dynamotor of the first compound planet gear and the first clutch that the second dynamotor is connected/separates with the turning unit of the first compound planet gear that is not connected to of the second compound planet gear; And be arranged to make two second clutch that turning unit is connected/separates in the turning unit of the first compound planet gear.
The present invention allows the multi-mode that combines with the mode driving with fixed gear ratio (such as the speed change level of common change-speed box) to drive, and high efficiency drive in the whole variator ratio range of vehicle, thereby improves the fuel efficiency of vehicle.
Method and apparatus of the present invention has further feature and advantage, and these further features and advantage are according to being combined in accompanying drawing and to be herein used from the following detailed description of the present invention of explaining some principle of the present invention will be significantly or will elaboration in more detail in accompanying drawing and following detailed description.
Accompanying drawing explanation
Fig. 1 is that diagram is according to an embodiment of the invention for the diagram of the configuration of the transmission system of hybrid electric vehicle.
Fig. 2 is the diagram of the configuration of the diagram transmission system for hybrid electric vehicle according to another embodiment of the present invention.
Fig. 3 is the operation mode table of the transmission system of Fig. 1 and 2.
Fig. 4 illustrates the simplification configuration of transmission system and the lever analysis chart of the operation of complicated shunt mode and the operation of output steering pattern thereof of Fig. 1.
Fig. 5 illustrates the simplification configuration of transmission system and the lever analysis chart of the operation of complicated shunt mode and the operation of output steering pattern thereof of Fig. 2.
Fig. 6 is the diagram of the configuration of the transmission system of diagram another embodiment of the present invention.
Fig. 7 is the diagram of the configuration of the transmission system of diagram another embodiment of the present invention.
Fig. 8 is the operation mode table of the transmission system of Fig. 6 and 7.
Fig. 9 is the simplification configuration of the transmission system of Fig. 6.
Figure 10 to 14 is and the lever analysis chart of the transmission system of corresponding Fig. 9 of operation mode of Fig. 8.
The specific embodiment
Now will be in detail with reference to various embodiment of the present invention, example diagram in the accompanying drawings explanation below.Although in connection with exemplary embodiment explanation the present invention, it should be understood that, this explanation is not intended to limit the invention to those exemplary embodiments.On the contrary, the invention is intended to not only cover exemplary embodiment, and cover various alternative forms, remodeling, equivalents and other embodiment that can be included within the spirit and scope of the present invention as defined by the appended claims.
With reference to Fig. 1 and 2, comprise according to the transmission system for hybrid electric vehicle of some embodiments of the present invention: the first compound planet gear PG1 with turning unit; There is the second compound planet gear PG2 with at least one turning unit being connected in the turning unit of the first compound planet gear PG1; Be arranged to the first clutch CL1 that makes the turning unit of the first compound planet gear PG1 be connected/separate with the turning unit of the second compound planet gear PG2; And be arranged to that the turning unit of the first compound planet gear PG1 is connected/the second clutch CL2 that separates, wherein at least two or more independently propulsion source and output block OUT are connected to the turning unit of the first compound planet gear PG1 and/or the turning unit of the second compound planet gear PG2.
Propulsion source comprises the driving engine ENG and the first dynamotor MG1 that are connected to the first compound planet gear PG1, and is connected to the second dynamotor MG2 of the second compound planet gear PG2.Output block OUT is connected to the second compound planet gear PG2.The first compound planet gear PG1 and the second compound planet gear PG2, and the first dynamotor MG1 and the second dynamotor MG2 coaxially arranged.
A turning unit of the first compound planet gear PG1 is directly connected with a turning unit of the second compound planet gear PG2, and in other turning unit of in other turning unit of first clutch CL1 and the first compound planet gear PG1 one and the second compound planet gear PG2 one is connected.
Driving engine ENG is connected with the turning unit that is directly connected in the second compound planet gear PG2 of the first compound planet gear, and output block OUT is connected in the turning unit not being connected with first clutch CL1 with driving engine ENG of the second compound planet gear PG2.
The first dynamotor MG1 is not connected with the turning unit that the turning unit of the second compound planet gear PG2 is connected with first clutch CL1 with the first compound planet gear PG1's.The second dynamotor MG2 is connected in the turning unit being connected with first clutch CL1 of the second compound planet gear PG2.
In one embodiment, as shown in fig. 1, the first tooth rest C1 of the first compound planet gear PG1 is directly connected in the second Ring gear R2 of the second compound planet gear PG2, driving engine ENG is connected in the first tooth rest C1, the first dynamotor MG1 is connected in the first ring generating gear R1 of the first compound planet gear PG1, the second dynamotor MG2 is connected in the second sun gear S2 of the second compound planet gear PG2, first clutch CL1 is arranged to make the first sun gear S1 of the first compound planet gear PG1 and the second sun gear S2 of the second compound planet gear PG2 to be connected/to separate, second clutch CL2 is arranged to make the first sun gear S1 to be connected/to separate with the first tooth rest C1, and output block OUT is connected in the second tooth rest C2 of the second compound planet gear PG2.
According to another embodiment, as shown in Figure 2, the first tooth rest C1 of the first compound planet gear PG1 is directly connected in the second Ring gear R2 of the second compound planet gear PG2, driving engine ENG is connected in the first tooth rest C1, the first dynamotor MG1 is connected in the first ring generating gear R1 of the first compound planet gear PG1, the second dynamotor MG2 is connected in the second sun gear S2 of the second compound planet gear PG2, first clutch CL1 is arranged to make the first sun gear S1 of the first compound planet gear PG1 and the second sun gear S2 of the second compound planet gear PG2 to be connected/to separate, second clutch CL2 is arranged to make first ring generating gear R1 to be connected/to separate with the first tooth rest C1, and output block OUT is connected in the second tooth rest C2 of the second compound planet gear PG2.
Can make according to the transmission system of embodiment with complicated shunt mode (complex split mode) or output steering pattern (outputsplit mode) work by operation first clutch CL1 and second clutch CL2.
In the transmission system of the embodiment of Fig. 1, start complicated shunt mode by engaging first clutch CL1.; at the lever analysis chart shown in the upside of Fig. 4, Fig. 1 is simplified; and can obtain by only engaging first clutch CL1 at the diagram shown in the side of the lower-left of this figure; wherein driving engine ENG (input block) and output block OUT are spaced apart with the first dynamotor MG1 and the second dynamotor MG2, thereby realize complicated shunt mode transmission system structure.
Complicated shunt mode is so a kind of pattern: the first dynamotor MG1 and the second dynamotor MG2 do not interconnect, but are connected in driving engine ENG or output block OUT by the turning unit of compound planet gear.And two mechanical. points places that complicated shunt mode is zero in the speed of the first dynamotor MG1 or the second dynamotor MG2 have the maximal efficiency in whole converter speed ratio (shift ratio) region.
In the lever analysis chart shown in the upside of Fig. 4, in the time making first clutch CL1 be disengaged and make second clutch CL2 to engage, two parts of the first compound planet gear PG1 interconnect by the joint of second clutch CL2, result, the mutual locking of all parts of the first compound planet gear PG1 as a rotary unit job, make to express this state as shown in the lower right side of Fig. 4, wherein the first dynamotor MG1 is directly connected with driving engine ENG, thereby realizes output steering pattern.
Output steering pattern has a mechanical. points, and converter speed ratio place shows maximal efficiency being not zero with the speed of direct coupled the second dynamotor MG2 of driving engine ENG.Therefore, select complicated shunt mode and output steering pattern by controlling first clutch CL1 and second clutch CL2, make it possible to drive vehicle at efficient section, likely to improve multiple mode activated vehicles of fuel efficiency of vehicle.
And, in the transmission system of the embodiment of Fig. 2, as shown in Figure 5, can realize complicated shunt mode and output steering pattern by operation first clutch CL1 and second clutch CL2.
Fig. 6 and 7 illustrates other embodiments of the invention, the first drg that its rotation that is further provided with the turning unit being connected with the first dynamotor MG1 to the first compound planet gear PG1 limits, and the second brake that limits of the rotation of the turning unit being connected with the second dynamotor MG2 to the second compound planet gear PG2, and identical with the embodiment of Fig. 1 and 2 in other configuration.
Transmission system structure shown in transmission system structure shown in Fig. 7 and Fig. 6 is different on the position of second clutch CL2, in the relation between Fig. 1 and 2.Therefore, omit the detailed description to this structure and operation thereof.
The transmission system structure of Fig. 6 can be with the work pattern shown in Fig. 8, and can be reduced to as shown in Figure 9.
Figure 10 to 14 illustrates the lever analysis chart according to the pattern of Fig. 8.In battery-driven car EV pattern, as shown in figure 10, second clutch CL2 and the first drg BK1 are engaged, locking is a rotary unit by the joint of second clutch CL2 to make the first compound planet gear PG1, and the first compound planet gear and the driving engine ENG and the first dynamotor MG1 that are directly connected in the first compound planet gear are stopped by the first drg BK1.
As a result, the propulsive effort of the second dynamotor MG2 is reduced and outputs to output block OUT by the second tooth rest C2.
In complicated shunt mode, as shown in figure 11, only first clutch CL1 is engaged.Driving engine ENG, the first dynamotor MG1 and the second dynamotor MG2 can produce propulsive effort and can provide power with generating to all the other the two, and by suitably controlling their speed, likely the required gamut of vehicle is changed to converter speed ratio continuously.
In output steering pattern, as shown in figure 12, only second clutch CL2 is engaged.The first compound planet gear PG1, driving engine ENG and the first dynamotor MG1 by second clutch CL2 integrated connection rotate with identical speed, and the speed of output block OUT can regulate by the speed of controlling the second dynamotor MG2 comprising in this configuration.
Figure 13 illustrates first order fixed gear ratio pattern (first stage fixed gear ratiomode), and it comprises three kinds of states being determined by the combination of power-transfer clutch and drg.
In the first state, first clutch CL1 and second clutch CL2 are engaged, the second compound planet gear PG2 forms the lever of straight line together with the first compound planet gear PG1 by first clutch CL1 simultaneously, and the left end of lever is fixed by second brake BK2, make driving engine ENG work, power is reduced and outputs to the second tooth rest C2 by predetermined converter speed ratio.
In the second state, second clutch CL2 and second brake BK2 are engaged, simultaneously all parts of the first compound planet gear PG1 and be connected to driving engine ENG and the first dynamotor MG1 of the first compound planet gear PG1, rotate as a rotary unit together with the second Ring gear R2 by the joint of second clutch CL2, and the second sun gear S2 is fixed by second brake BK2, make the propulsive effort of driving engine ENG be reduced by predetermined converter speed ratio and output to output block OUT by the second tooth rest S2.
In the third state, the first drg BK1 and second brake BK2 are engaged, simultaneously the first compound planet gear PG1 and the first tooth rest C1 being connected with driving engine ENG and the second Ring gear R2 in the second compound planet gear PG2, with the speed rotation identical with driving engine ENG, and there is the second tooth rest C2 of the second compound planet gear PG2 of the second sun gear S2 being fixed by second brake BK2, by the rotation of the second Ring gear R2, reduce the also propulsive effort of output engine ENG with the converter speed ratio of being scheduled to.
In the time that the first dynamotor MG1 or the second dynamotor MG2 are out of order, these states quite contribute to guarantee smooth-ride by only operating driving engine ENG.In addition,, in the first and second states, the first dynamotor MG1 can carry out by producing propulsive effort the power of auxiliary engine ENG.
On the other hand, in the second stage fixed gear ratio pattern shown in Fig. 8, first clutch CL1 and second clutch CL2 are engaged, and the first compound planet gear PG1 and the second compound planet gear PG2 rotate all parts as a cell operation simultaneously, make to be sent to output block OUT completely from the power of driving engine ENG input, thereby realize fixing converter speed ratio 1: 1.
Figure 14 illustrates third stage fixed gear ratio pattern, one of them long straight lever is formed by the joint of first clutch CL1 by the straight lever of the expression second compound planet gear PG2 of mutual crossover and the straight lever of expression the first compound planet gear PG1, and as shown in FIG., the left end of straight lever is fixed by the joint of the first drg BK1, makes the propulsive effort of driving engine ENG be increased and export by predetermined converter speed ratio by the second tooth rest C2 of the second compound planet gear PG2., realize fixed gear ratio overdrive transmission travel (overdrive traveling).
For the object of illustration and explanation, provide the above-mentioned explanation of concrete exemplary embodiment of the present invention.They are not intended to is exhaustively or by the present invention to be limited to disclosed precise forms, and it is evident that, according to above-mentioned instruction, much remodeling and modification are all possible.Selection and illustrated example embodiment are in order to explain some principle of the present invention and their practical application, thereby make those skilled in the art can make and utilize various exemplary embodiment of the present invention and various alternative form and remodeling.Scope of the present invention should be limited by claims and their equivalent form of value.

Claims (12)

1. for a transmission system for hybrid electric vehicle, comprising:
There is the first compound planet gear of turning unit;
The second compound planet gear, its turning unit having comprises and at least one turning unit being connected in the turning unit of described the first compound planet gear;
Be arranged to make in the turning unit of described the first compound planet gear one with a first clutch that is connected/separates in the turning unit of described the second compound planet gear; And
Be arranged to make the second clutch that connects/separate between the turning unit of described the first compound planet gear,
Wherein at least two or more independently propulsion source and output block are connected to some turning units in the turning unit of described the first and second compound planet gears;
Wherein said propulsion source comprises:
Driving engine and the first dynamotor, the two is connected to described the first compound planet gear; And
Be connected to the second dynamotor of described the second compound planet gear, and
Wherein said the first compound planet gear and described the second compound planet gear and described the first dynamotor and described the second dynamotor are coaxially arranged;
A turning unit of wherein said the first compound planet gear is directly connected with a turning unit of described the second compound planet gear, and
One in other turning unit of in other turning unit of described first clutch and described the first compound planet gear and described the second compound planet gear is connected;
Wherein said driving engine is connected with the turning unit of described the second compound planet gear of being directly connected in of described the first compound planet gear, and
Described output block is connected in the turning unit not being connected with described first clutch with described driving engine of described the second compound planet gear.
2. the transmission system for hybrid electric vehicle as claimed in claim 1, wherein said the first dynamotor is not connected with the turning unit that the turning unit of described the second compound planet gear is connected with described first clutch with described the first compound planet gear, and
Described the second dynamotor is connected in the turning unit being connected with described first clutch of described the second compound planet gear.
3. the transmission system for hybrid electric vehicle as claimed in claim 2, the first tooth rest of wherein said the first compound planet gear is directly connected in the second Ring gear of described the second compound planet gear,
Described driving engine is connected in described the first tooth rest,
Described the first dynamotor is connected in the first ring generating gear of described the first compound planet gear,
Described the second dynamotor is connected in the second sun gear of described the second compound planet gear,
Described first clutch is arranged to make the first sun gear of described the first compound planet gear and the second sun gear of described the second compound planet gear to be connected/to separate,
Described second clutch is arranged to make described the first sun gear to be connected/to separate with described the first tooth rest, and
Described output block is connected in the second tooth rest of described the second compound planet gear.
4. the transmission system for hybrid electric vehicle as claimed in claim 2, also comprises:
Be arranged to the first drg that the rotation of the turning unit being connected with described the first dynamotor to described the first compound planet gear limits; And
Be arranged to the second brake that the rotation of the turning unit being connected with described the second dynamotor to described the second compound planet gear limits.
5. the transmission system for hybrid electric vehicle as claimed in claim 2, the first tooth rest of wherein said the first compound planet gear is directly connected in the second Ring gear of described the second compound planet gear,
Described driving engine is connected in described the first tooth rest,
Described the first dynamotor is connected in the first ring generating gear of described the first compound planet gear,
Described the second dynamotor is connected in the second sun gear of described the second compound planet gear,
Described first clutch is arranged to make the first sun gear of described the first compound planet gear and the second sun gear of described the second compound planet gear to be connected/to separate,
Described second clutch is arranged to make described first ring generating gear to be connected/to separate with described the first tooth rest, and
Described output block is connected in the second tooth rest of described the second compound planet gear.
6. the transmission system for hybrid electric vehicle as claimed in claim 5, also comprises:
Be arranged to the first drg that the rotation of the described first ring generating gear to being connected with described the first dynamotor limits; And
Be arranged to the second brake that the rotation of described the second sun gear to being connected with described the second dynamotor limits.
7. for a transmission system for hybrid electric vehicle, comprising:
Comprise the first compound planet gear of three turning units, two in described three turning units are connected with the first dynamotor with driving engine respectively;
Comprise the second compound planet gear of three turning units, two in described three turning units are connected with described the first compound planet gear with the second dynamotor respectively;
Be connected to the output block of described the second compound planet gear;
Be arranged to the first clutch that makes the turning unit of the described driving engine of not being connected to of described the first compound planet gear and described the first dynamotor be connected/separate with the turning unit of described the second dynamotor of being connected to of described the second compound planet gear; And
Be arranged to make two second clutch that turning unit is connected/separates in the turning unit of described the first compound planet gear.
8. the transmission system for hybrid electric vehicle as claimed in claim 7, also comprises:
Be arranged to the first drg that the rotation of the turning unit being connected with described the first dynamotor to described the first compound planet gear limits; And
Be arranged to the second brake that the rotation of the turning unit being connected with described the second dynamotor to described the second compound planet gear limits.
9. the transmission system for hybrid electric vehicle as claimed in claim 7, wherein said output block is connected in the turning unit not being connected with described the first compound planet gear with described the second dynamotor in the turning unit of described the second compound planet gear, and
Described driving engine is connected with the turning unit of described the second compound planet gear with the turning unit of interconnective described the first compound planet gear.
10. the transmission system for hybrid electric vehicle as claimed in claim 9, wherein said first clutch is arranged to make the turning unit being connected with described the second dynamotor of described the second compound planet gear and not being connected/separating with the turning unit that described driving engine is connected with described the first dynamotor of described the first compound planet gear.
11. transmission systems for hybrid electric vehicle as claimed in claim 10, wherein said second clutch is arranged to make the turning unit being connected with described driving engine of described the first compound planet gear and the turning unit being connected with described first clutch of described the first compound planet gear to be connected/to separate.
12. transmission systems for hybrid electric vehicle as claimed in claim 10, wherein said second clutch is arranged to make the turning unit being connected with described driving engine of described the first compound planet gear and the turning unit being connected with described the first dynamotor of described the first compound planet gear to be connected/to separate.
CN200910221929.6A 2009-03-09 2009-11-23 Power train for hybrid vehicle Expired - Fee Related CN101830163B (en)

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US8449420B2 (en) 2013-05-28
US20100227723A1 (en) 2010-09-09
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KR20100101306A (en) 2010-09-17
CN101830163A (en) 2010-09-15

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